class_docstr: ImageSet wraps a set of ImageFeature
docstr: get prediction from ImageSet
docstr_tok: ["get","prediction","from","ImageSet"]
code: def get_predict(self, key="predict"):
      """
      get prediction from ImageSet
      """
      return self.image_set.get_predict(key)
  
imports: from bigdl.dllib.feature.transform.vision.image import ImageFrame
  from bigdl.dllib.utils.common import *
  from bigdl.dllib.utils.file_utils import callZooFunc
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 11 for calling the ImageSet obj's underlying member method code with example usage: obj.get_predict(key) and returns: self